[linux-sunxi] Re: [PATCH v2 2/8] mfd: AXP20x: Add bindings documentation

Maxime Ripard maxime.ripard at free-electrons.com
Tue Mar 25 06:11:00 EDT 2014


On Sat, Mar 22, 2014 at 03:11:57PM +0100, Carlo Caione wrote:
> > > +
> > > +Example:
> > > +
> > > +axp: axp20x at 34 {
> > > +	reg = <0x34>;
> > > +	interrupt-parent = <&nmi_intc>;
> > > +	interrupts = <0 8>;
> > > +
> > > +	compatible = "x-powers,axp209";
> > > +	interrupt-controller;
> > > +	#interrupt-cells = <1>;
> > > +
> > > +	regulators {
> > 
> > Do we really need that subnode ? it looks useless, and we already know
> > that we are defining regulators here.
> 
> What do you mean? We are defining the MFD and regulators are just one of
> the subsystem here.

I mean that it's useless.

> Moveover I'm using the "regulators" node in the
> regulators driver (using of_find_node_by_name()) to get the regulators
> configuration.

Can't you just use the of_node field of whatever struct device you
get?

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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